Supply Air Grille Sizing Chart

Known cfm calculate fpm based on known cfm.

Supply air grille sizing chart.

Proper sizing and orientation of grilles registers and diffusers may seem like such a simple thing but it s an area where confusion and mistakes are commonly made. First let s define some terms. Supply grille sizing chart yoskin. Return a return draws air into a return duct system with negative pressure compared to the space usually via a fixed grille but.

This is critical if the grille is on the wall. Should the system have an outside air intake you must reduce the amount of required return air into each return grille and duct to provide for the outside air entering the return side of the fan. Use the calculator below to quickly and easily determine the grille airflow. Supply air grille sizing chart.

First calculate the percent of outside air compared to system airflow by dividing the outside air cfm by the total supply airflow. Duct system sizes and airflow quick chart created date. Written by kupis on january 23 2020 in chart. You must order by the duct opening size width x height.

Air flow calculator linear bar grilles. Supply grille sizing chart yoskin. If you are ordering a wall return air grille or return air filter grille please note that these are directional.